scholarly journals Thermal fluctuations, quenched disorder, phase transitions, and transport in type-II superconductors

1991 ◽  
Vol 43 (1) ◽  
pp. 130-159 ◽  
Author(s):  
Daniel S. Fisher ◽  
Matthew P. A. Fisher ◽  
David A. Huse
Keyword(s):  
Phase Transitions ◽  
Thermal Fluctuations ◽  
Quenched Disorder ◽  
Type Ii ◽  
Type Ii Superconductors

FINITE EUCLIDEAN MAGNETIC GROUP AND THETA FUNCTIONS

1992 ◽  
Vol 07 (19) ◽  
pp. 4671-4691 ◽  
Author(s):  
S. FUBINI
Keyword(s):  
Magnetic Field ◽  
Phase Transitions ◽  
Constant Magnetic Field ◽  
Theta Functions ◽  
Type Ii ◽  
Finite Rotations ◽  
Type Ii Superconductors ◽  
Modular Transformations ◽  
Jacobi Theta Functions

The Euclidean magnetic group of translations and rotations in a constant magnetic field is discussed in detail. The eigenfunctions of finite magnetic translations are shown to be related to the quasi periodic Jacobi theta functions, whose group theoretical properties under modular transformations are simply discussed. Invariance under finite rotations is very important; it leads to the two fundamental lattices of 60° and 90° already appearing in the theory of the phase transitions of Type II superconductors.

New Developments in Theory of Vortex States in Type-II Superconductors

2003 ◽  
Vol 17 (13n14) ◽  
pp. 725-731
Author(s):  
Xiao Hu
Keyword(s):  
Phase Diagram ◽  
Phase Transitions ◽  
Computer Simulations ◽  
Type Ii ◽  
Theoretical Understanding ◽  
New Developments ◽  
Vortex States ◽  
Type Ii Superconductors ◽  
Josephson Vortices ◽  
New Phase

Theoretical understanding of the vortex states of type II superconductors is reviewed, with a focus on thermodynamic phases and phase transitions. Results derived from computer simulations by our group are summarized. A new phase diagram for inter-layer Josephson vortices in layered superconductors is proposed.

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